For each measuring point requirement the optimum thermowell

Thermowells from WIKA are used with demanding operating conditions both in solid-machined versions from solid-body material and in fabricated versions with tubular design. The variants offered differ mainly in their designs; with flanges, with threads for screwing in or for welding in. Furthermore, all connections for sanitary applications and also thermowells in solid-machined Van-Stone design are available without weld seams. The selection of materials and the manufacturing of the thermowells in accordance with global standards or to customer specifications ensure optimal protection for the sensor.

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FAQ

What are suitable materials for thermowells for negative temperatures?

The first choice for high-temperature applications should always be stainless steel, such as 1.4404 or 316L. (Approval per AD2000 W10 down to -270 °C) Carbon steels should be considered carefully in detail, through the effect of the drop-off effect.

What is the minimum insertion length of a thermowell?

The insertion length of a thermowell will be specified through the thermometer  used. In general one can assume a length of  60-100 mm for mechanical thermometers from a minimum total length. Electrical thermometers need an insertion length of at least 35 ... More

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